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From coast to coast, this week we're showcasing a grand resort-style estate to a historic architectural gem, and some modern design tips you can use to revamp your own home. Wondering what to do with unused space? Interior designer Frank Fontana shows us how he transformed an unused spare room into an inspired comfortable and contemporary home office (view video above). Next, Heisman trophy winner Pete Dawkins and his wife Judy give us a tour of their stunning riverfront home in Rumson, NJ (view video below). Travel with us to the Los Feliz neighborhood, right outside of Los Angeles, to view L.A.-based designer Xorin Balbes's spectacular historical home, the Sowden House, built by the great Frank Lloyd Wright Jr (view video below). Retreat to Hidden Ponds Estate, outside of Chicago, Illinois, and relax with us in an exquisite 30,000-square-foot house on 70 acres, complete with an English pub, full-size basketball court and putting green (view video below). Finally, Nina Freudenberger, architect, interior designer and owner of Manhattan's Haus Interiors, reveals simple tips on how you can achieve a modern look in your home (view video here).

This episode of Open House was hosted at 401 E. 60th St., contact broker Jacky Teplitzky of Prudential Douglas Elliman at 212-891-7263. View the listing.